none There is over 4000 plant types in the amazon to be of fact.
Thousands and thousands of species.
Plants such as pondweed grow there. The area is marshy and swampy allowing pondweed to grow. Sedges may grow there too. The weather is suitable for tropic plants to settle.
The actual name is The Amazon or as some people refer to it as The Amazon RiverIt's preffered as the Amazon River.
sword plants and giant water lilies and Pokemon and bakugan and I'm crazy